Enables discovery of ComfyUI nodes and building/managing workflows with real-time execution via WebSocket. Provides 50+ tools for node discovery, workflow building, template usage, model management, and batch/chain execution.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
When Vitest UI server is listening, arbitrary file can be read and executed
Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
ws affected by a DoS when handling a request with many HTTP headers
ws: Memory exhaustion DoS from tiny fragments and data chunks
process.env. You'll be asked to provide them before it can run.COMFYUI_HOST— npm run sync-nodes Sync nodes from running ComfyUI to knowledge base (requires )COMFYUI_KNOWLEDGE_DIR[](https://m8ven.ai/mcp/mit9-mcp-comfy-ui-builder-1ef6i3)